Finding the Fourth Proportional to 345.79, 477.26 and 205.99
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Solution
The fourth proportional to 345.79, 477.26 and 205.99 is: 284.31
Step by Step Solution
- Step 1: Write the proportion equation
345.79 : 477.26 = 205.99 : x - Step 2: Convert to fraction form
345.79/477.26 = 205.99/x - Step 3: Cross multiply
345.79x = 477.26 × 205.99 - Step 4: Simplify right side
345.79x = 98,310.79 - Step 5: Solve for x
x = 98,310.79/345.79 - Step 6: Final answer
x = 284.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.